DLS 2016
Tue 1 Nov 2016 Amsterdam, Netherlands
co-located with SPLASH 2016
Tue 1 Nov 2016 14:45 - 15:10 at Matterhorn 1 - Session 3 Chair(s): Laurence Tratt

The R language, from the point of view of language design and implementation, is a unique combination of various programming language concepts. It has functional characteristics like lazy evaluation of arguments, but also allows expressions to have arbitrary side effects. Many runtime data structures, for example variable scopes and functions, are accessible and can be modified while a program executes. Several different object models allow for structured programming, but the object models can interact in surprising ways with each other and with the base operations of R.

R works well in practice, but it is complex, and it is a challenge for language developers trying to improve on the current state-of-the-art, which is the reference implementation – GNU R. The goal of this work is to demonstrate that, given the right approach and the right set of tools, it is possible to create an implementation of the R language that provides significantly better performance while keeping compatibility with the original implementation.

In this paper we describe novel optimizations backed up by aggressive speculation techniques and implemented within FastR, an alternative R language implementation, utilizing Truffle – a JVM-based language development framework developed at Oracle Labs. We also provide experimental evidence demonstrating effectiveness of these optimizations in comparison with GNU R, as well as Renjin and TERR implementations of the R language.

Tue 1 Nov

dls-2016-papers
13:30 - 15:10: DLS - Session 3 at Matterhorn 1
Chair(s): Laurence TrattKing's College London
dls-2016-papers13:30 - 13:55
Talk
Remigius MeierETH Zurich, Switzerland, Armin RigoPyPy.org, Switzerland, Thomas GrossETH Zurich
DOI
dls-2016-papers13:55 - 14:20
Talk
Guido ChariUniversity of Buenos Aires, Argentina, Diego GarbervetskyUniversity of Buenos Aires, Argentina, Stefan MarrJohannes Kepler University Linz
DOI Pre-print
dls-2016-papers14:20 - 14:45
Talk
Vincent Foley-BourgonMcGill University, Canada, Laurie HendrenMcGill University, Canada
DOI
dls-2016-papers14:45 - 15:10
Talk
Lukas StadlerOracle Labs, Austria, Adam WelcOracle Labs, USA, Christian HumerOracle Labs, Switzerland, Mick JordanOracle Labs, USA
DOI